Which packaging innovation was first widely adopted by major telescope manufacturers between 2020-2023 to reduce environmental impact while still protecting sensitive optical equipment?

The astronomy equipment industry has been undergoing significant changes in how products are packaged and delivered to consumers. As environmental concerns grow, telescope manufacturers have had to balance protective packaging needs (for delicate optical equipment) with sustainability goals. This trivia question explores how the industry's leading companies have responded to this challenge in recent years.

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Mycelium-based foam inserts that provide cushioning while being fully biodegradable
Aluminum-reinforced cardboard that eliminates the need for plastic foam but requires specialized recycling
Vacuum-sealed inflatable air cushions made from recycled telescope lens polishing compounds
3D-printed honeycomb structures using waste material from telescope mirror production